Those are pretty cool. I can easily shift my eyes to view them without glasses. I might have to try a similar process sometime.

The only main limitation I see is that this can't be used for subjects that move outside of your control. I've wanted to take stereo photos of animals in their native habitats before and the only way to do that would be to find one that stayed in the same position or moved back to the same position. Should be a fun little expiriment in any case, though!